People often discuss the idea of being "90% certain" or "99% sure that this is true", but how big is the difference between these two values? It turns out that the difference between these values is similiar to the difference between having $10 and $100 in your wallet.

We have looked at working with a variety of analytical priors, but how can you sample from a prior probability that is not so mathematically pleasant to work with? In this post we learn about Rejection Sampling as one method of solving this problem.

Why is Variance related to X squared? To understand this we need to understand Moments of a Random Variable. Read on to learn about the relationship between Variance, Moments of a Random Variable and Jensen's inequality.